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HI HB639: Relating To Artificial Intelligence.

Dead/Failed Hawaii · 2025 session

Last verified Oct 15, 2026 · official bill text

HB639 · where it stands

This bill did not become law (dead/failed) · last action Dec 8, 2025.

What do these statuses mean?
Introduced
Filed in the legislature; may be waiting for a committee hearing.
Passed a chamber
Approved by one or both chambers; awaiting further action.
Enacted
Signed into law, or became law without a signature or over a veto.
Effective date
The date the law says it takes effect. Once it has passed, the page shows "Effective" and the date. A court order can still block a law; if we know of one, the summary says so.
Dead / vetoed
Vetoed, failed, or the session ended without action.

In one paragraph

Hawaii's HB 639 HD 1 (2025) would have required businesses and individuals in commercial transactions to clearly disclose before using an AI chatbot that could lead a reasonable person to think they are talking to a natural person, and chatbot developers to disclose their chatbot uses AI and can mimic human behavior. It would have allowed suits with the greater of $1,000 or treble damages and civil penalties up to $5,000,000. It passed House second reading February 5, 2025 and was referred to CPC, was carried over to 2026 on December 8, 2025 and was not enacted.

Plain-English summary, written with AI assistance. The official text controls.

What it means for business

None: the bill did not pass. It would have required chatbot disclosures from businesses and developers, with private lawsuits and civil penalties of up to $5,000,000.

Key provisions

  1. Would add a part to HRS chapter 481B: a business or individual may not use a chatbot or human-mimicking technology in a way that may deceive a reasonable person into believing they are talking to a natural person unless it first clearly and conspicuously discloses it
  2. A small business that unknowingly uses chatbots would not violate unless it got clear notice of the law and failed to comply after a reasonable opportunity
  3. Chatbot developers may not sell or make available a chatbot without clearly disclosing that it uses AI and can mimic human behavior
  4. Violations would be unfair or deceptive acts; injured persons could recover the greater of $1,000 or threefold damages plus fees, total class-action damages capped at $10,000,000, and the attorney general and OCP could seek injunctions
  5. Civil penalty of no more than $5,000,000; effective date written as July 1, 3000; passed second reading as amended in HD 1 February 5, 2025; carried over to 2026 December 8, 2025

Latest legislative action

Dec 8, 2025. Carried over to 2026 Regular Session.

Sponsors (showing 5 of 9)

NameRoleDistrict
D Sponsor HD-046
D Sponsor HD-003
R Sponsor HD-039
R Sponsor HD-018
D Sponsor HD-025

Related and companion bills

Topics and industries

Affected industries

This page is general information, not legal advice. Summaries are AI-assisted and may contain errors; read the statute for the controlling text and talk to a lawyer about your situation. Full disclaimer · Report an error